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SEAN D LALLY M.D.
NPI 1619139797
Anesthesiology in New York, NY

Active since June 30, 2008PECOS EnrolledAccepts Medicare Assignment
FIRST AVENUE AT 16TH ST., NEW YORK, NY 10003(212) 420-2385(212) 420-2364 Get Directions Write a Review

NPPES record last updated: June 30, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Sean D Lally M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SEAN D LALLY M.D. (NPI 1619139797) is an individual anesthesiology provider in New York, New York, licensed in New York (248772) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS and is a graduate of New York Medical College (2004).

NPPES Registry Identity

NPI1619139797
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameSEAN D LALLYCredential: M.D.
Location AddressFIRST AVENUE AT 16TH ST.New York, NY 10003
Mailing AddressPo Box 270Massapequa Park, NY 11762-0270 · (631) 264-2035 · Fax (631) 264-1418
Phone(212) 420-2385
Fax(212) 420-2364
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2004
Enumeration DateJune 30, 2008
✔ NPI 1619139797 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NY · 248772
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
FIRST AVENUE AT 16TH ST., New York, NY 10003
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sean D Lally M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9537234281
PECOS Enrollment IDI20080815000148
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Sean Lally reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

York Anesthesiologists PLLC
Same address
Anesthesiology
1ST AVENUE AT 16TH ST, BETH ISRAEL MEDICAL CENTER/PETRIE DIVISION
New York, NY 10003
  • Reassigned Medicare billing, New York enrollment
  • 94 clinicians in this Medicare group
NPI 1508947441 (212) 420-2385
Yorkville Endoscopy, LLC
3.9 mi
Ambulatory Surgical
201 E 93RD ST
New York, NY 10128
  • Reassigned Medicare billing, New York enrollment
  • 55 clinicians in this Medicare group
NPI 1174873780 (212) 897-1006

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sean Lally's NPI number?

The NPI number for Sean Lally is 1619139797. It was assigned to this individual provider in the NPPES registry on June 30, 2008.

Where is Sean Lally located?

Sean Lally practices at First Avenue At 16th St., New York, NY 10003. The listed phone number is (212) 420-2385.

What is Sean Lally's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Sean Lally enrolled in Medicare?

Yes. Sean Lally is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Sean Lally's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sean Lally reassigns Medicare benefits to 2 organizations: York Anesthesiologists PLLC (New York, NY) and Yorkville Endoscopy, LLC (New York, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sean Lally's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sean Lally was last updated on June 30, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.